Introduction On the bench today is the Cooler Master MasterAir MA624 Stealth (MAM-D6PS-314PK-R1). It is part of Cooler Master’s MasterAir series of coolers that represents the best offerings that they have. We’ll strap it to our air cooling test platform that is built around a Ryzen 7 2700X processor with a manufacturer-claimed TDP of 105W.